Question

The number of digit numbers that can be formed with which are divisible by or is

A

B

C

D

Medium
Updated on : 2022-09-05
Solution
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Correct option is B)

Considering and non repetitions of digits.
Number of four digit numbers divisible by or should contain or in the end of the number.
  _ _ _ 5
Implies numbers.
Now eliminating the numbers with at the starting, we get


. ...(i)

Implies numbers.
...(ii)

Implies
Eliminating the numbers with at the starting, we get


...(ii)
Adding (i), (ii) and (iii), we get



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